{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{5}{c}}
\toprule
                    &\multicolumn{5}{c}{Attriter}                                                                                 \\\cmidrule(lr){2-6}
                    &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}\\
                    &\multicolumn{1}{c}{} &\multicolumn{1}{c}{} &\multicolumn{1}{c}{Democrats}&\multicolumn{1}{c}{Republicans}&\multicolumn{1}{c}{Independents}\\
\midrule
Any DW              &      -0.045         &                     &      -0.018         &      -0.020         &      -0.273\sym{*}  \\
                    &     [0.045]         &                     &     [0.054]         &     [0.098]         &     [0.142]         \\
\addlinespace
Any SBD             &       0.078\sym{*}  &                     &       0.036         &       0.181\sym{*}  &       0.159         \\
                    &     [0.042]         &                     &     [0.050]         &     [0.096]         &     [0.120]         \\
\addlinespace
Homogeneous DW      &                     &      -0.007         &                     &                     &                     \\
                    &                     &     [0.071]         &                     &                     &                     \\
\addlinespace
Mixed DW            &                     &       0.009         &                     &                     &                     \\
                    &                     &     [0.074]         &                     &                     &                     \\
\addlinespace
Homogeneous SBD     &                     &       0.007         &                     &                     &                     \\
                    &                     &     [0.066]         &                     &                     &                     \\
\addlinespace
Mixed SBD           &                     &       0.078         &                     &                     &                     \\
                    &                     &     [0.065]         &                     &                     &                     \\
\midrule
Observations        &         799         &         480         &         565         &         151         &          83         \\
\bottomrule
\end{tabular}
}
